object particle system not transfering with object
You have to use a special modifier called "Particle Instance" in order to use nested particles. I'll link the blender docs :

https://docs.blender.org/manual/en/latest/modeling/modifiers/simulate/particle_instance.html

And an up-to-date tutorial on Youtube :
https://www.youtube.com/watch?v=UpvNJvsq-FU&amp;